Update to tokio alpha.4

Author: sfackler

Cargo.toml

@@ -13,8 +13,8 @@ An implementation of SSL streams for Tokio backed by OpenSSL
 
 [dependencies]
 openssl = "0.10.1"
-tokio-io = "=0.2.0-alpha.2"
+tokio-io = "=0.2.0-alpha.4"
 
 [dev-dependencies]
 futures-preview = "=0.3.0-alpha.18"
-tokio = "=0.2.0-alpha.2"
+tokio = "=0.2.0-alpha.4"

src/lib.rs

@@ -11,7 +11,6 @@
 //! functionality provided by the `openssl` crate, on which this crate is
 //! built. Configuration of TLS parameters is still primarily done through the
 //! `openssl` crate.
-#![feature(async_await)]
 #![warn(missing_docs)]
 
 use openssl::ssl::{

tests/google.rs

@@ -1,5 +1,3 @@
-#![feature(async_await)]
-
 use futures::future;
 use openssl::ssl::{SslAcceptor, SslConnector, SslFiletype, SslMethod};
 use std::net::ToSocketAddrs;
@@ -35,7 +33,7 @@ async fn google() {
 
 #[tokio::test]
 async fn server() {
-    let mut listener = TcpListener::bind(&"127.0.0.1:0".parse().unwrap()).unwrap();
+    let mut listener = TcpListener::bind("127.0.0.1:0").await.unwrap();
     let addr = listener.local_addr().unwrap();
 
     let server = async move {